.main_nav{
	width:1152px;
}
.main_nav ul li{
	float:left;
	background:#ccc;
	margin-right:2px;
	margin-bottom:10px;
	width:228px;
}
.main_nav ul li.main_nav_final{
	width:230px;
}
.main_nav ul li a{
	display:block;
	padding:10px 55px;
}
.main_nav ul li a:link,.main_nav ul li a:visited{
	color:#eee;
	text-decoration:none;
}
.main_nav ul li a:hover,.main_nav ul li a:active{
	color:#eee;
	background:#ffa72b;
	text-decoration:none;
}

.main_cases{
	width:1196px;
	clear:both;	
}
.main_cases ul li{
	width:360px;
	float:left;
	margin-right:28px;
	margin-bottom:17px;
	text-align:center;
	border:1px solid #ccc;
}
.main_cases a:link,.main_cases a:visited{
	color:#333;
	text-decoration:none;
}
.main_cases a:hover,.main_cases a:active{
	color:#333;
	text-decoration:underline;
}
.main_cases ul{
    overflow: hidden;
}
.main_cases ul li img{
    width:360px;
    height: 246px;
}
.main_cases ul li .title{
	padding:10px 0;
}

